﻿using System;
using System.Data;
using System.Collections.Generic;
using Maticsoft.Common;
using CodeNotes.Model;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;
namespace CodeNotes.BLL
{
	/// <summary>
	/// CW_Article
	/// </summary>
	public partial class CW_ArticleLogic
	{
		private readonly CodeNotes.DAL.CW_Article dal=new CodeNotes.DAL.CW_Article();
		public CW_ArticleLogic()
		{}
		#region  BasicMethod	

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ArticleId)
		{
			return dal.Exists(ArticleId);
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int  Add(CodeNotes.Model.CW_Article model)
		{
			return dal.Add(model);
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(CodeNotes.Model.CW_Article model)
		{
			return dal.Update(model);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int ArticleId)
		{
			
			return dal.Delete(ArticleId);
		}
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool DeleteList(string ArticleIdlist )
		{
			return dal.DeleteList(ArticleIdlist );
		}

		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public CodeNotes.Model.CW_Article GetModel(int ArticleId)
		{
			
			return dal.GetModel(ArticleId);
		}

		/// <summary>
		/// 得到一个对象实体，从缓存中
		/// </summary>
		public CodeNotes.Model.CW_Article GetModelByCache(int ArticleId)
		{
			
			string CacheKey = "CW_ArticleModel-" + ArticleId;
			object objModel = Maticsoft.Common.DataCache.GetCache(CacheKey);
			if (objModel == null)
			{
				try
				{
					objModel = dal.GetModel(ArticleId);
					if (objModel != null)
					{
						int ModelCache = Maticsoft.Common.ConfigHelper.GetConfigInt("ModelCache");
						Maticsoft.Common.DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(ModelCache), TimeSpan.Zero);
					}
				}
				catch{}
			}
			return (CodeNotes.Model.CW_Article)objModel;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			return dal.GetList(strWhere);
		}
		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			return dal.GetList(Top,strWhere,filedOrder);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<CodeNotes.Model.CW_Article> GetModelList(string strWhere)
		{
			DataSet ds = dal.GetList(strWhere);
			return DataTableToList(ds.Tables[0]);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<CodeNotes.Model.CW_Article> DataTableToList(DataTable dt)
		{
			List<CodeNotes.Model.CW_Article> modelList = new List<CodeNotes.Model.CW_Article>();
			int rowsCount = dt.Rows.Count;
			if (rowsCount > 0)
			{
				CodeNotes.Model.CW_Article model;
				for (int n = 0; n < rowsCount; n++)
				{
					model = dal.DataRowToModel(dt.Rows[n]);
					if (model != null)
					{
						modelList.Add(model);
					}
				}
			}
			return modelList;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetAllList()
		{
			return GetList("");
		}

		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			return dal.GetRecordCount(strWhere);
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			return dal.GetListByPage( strWhere,  orderby,  startIndex,  endIndex);
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		//public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		//{
			//return dal.GetList(PageSize,PageIndex,strWhere);
		//}

		#endregion  BasicMethod
		#region  ExtensionMethod

        public List<CodeNotes.Model.CW_Article> GetModelListByKeyword(string keyword)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ArticleId,Title,Author,Abstract,Content,Thumb,PV,CommentCount,LikeCount,CreateDate,MenuId,IsShow from CW_Article ");

            strSql.Append(" where (Title like @keyword or Abstract like @keyword ) and IsShow=1 order by ArticleId desc");
            SqlParameter[] parameters = {
					new SqlParameter("@keyword", SqlDbType.NVarChar)
			};
            parameters[0].Value = "%" + keyword + "%";
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); 
            return DataTableToList(ds.Tables[0]);
        }

		#endregion  ExtensionMethod
	}
}

